63345689455 has 8 divisors (see below), whose sum is σ = 76029800832. Its totient is φ = 50666569248.

The previous prime is 63345689443. The next prime is 63345689471. The reversal of 63345689455 is 55498654336.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63345689455 - 2⁷ = 63345689327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63345689455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1219812 + ... + 1270681.

It is an arithmetic number, because the mean of its divisors is an integer number (9503725104).

Almost surely, 2^63345689455 is an apocalyptic number.

63345689455 is a deficient number, since it is larger than the sum of its proper divisors (12684111377).

63345689455 is a wasteful number, since it uses less digits than its factorization.

63345689455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495585.

The product of its digits is 46656000, while the sum is 58.

The spelling of 63345689455 in words is "sixty-three billion, three hundred forty-five million, six hundred eighty-nine thousand, four hundred fifty-five".